Home / 140,231.70-193,524.12-86,518.98

Finding the Fourth Proportional to 140,231.70, 193,524.12 and 86,518.98

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Solution

The fourth proportional to 140,231.70, 193,524.12 and 86,518.98 is: 119,398.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,231.70 : 193,524.12 = 86,518.98 : x
  2. Step 2: Convert to fraction form
    140,231.70/193,524.12 = 86,518.98/x
  3. Step 3: Cross multiply
    140,231.70x = 193,524.12 × 86,518.98
  4. Step 4: Simplify right side
    140,231.70x = 16,743,509,467.80
  5. Step 5: Solve for x
    x = 16,743,509,467.80/140,231.70
  6. Step 6: Final answer
    x = 119,398.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.